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<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <table border="1" width="200px" height="200px" align="center" cellspacing=0 cellpadding=20>
    <caption>
      <h2>title</h2>
    </caption>
    <tr>
      <td width="50px" height="50px">1.1</td>
      <td align="center">1.1</td>
      <td align="left">1.1</td>
      <td align="right">1.1</td>
    </tr>
    <tr valign="top">
      <td>2.2</td>
      <td>2.2</td>
      <td>2.2</td>
      <td>2.2</td>
    </tr>
  </table>

  <table bgcolor="black">
    <tr bgcolor="white" cellspacing="1px">
      <th>1.1</th>
      <th>1.1</th>
    </tr>
    <tr bgcolor="white" cellspacing="1px">
      <td>2.2</td>
      <td>2.2</td>
    </tr>
  </table>

  <table border="1" cellspacing="0" width="500px" height="500px" align="center">
    <tr>
      <!-- 把第一个单元格当做两个来看待  所以要删掉一个单元格 -->
      <td colspan="2">yi</td>  
      <!-- <td>yi</td> -->
      <td>yi</td>
    </tr>
    <tr>
      <td colspan="3">yi</td>
      <!-- <td>yi</td> -->
      <!-- <td>yi</td> -->
    </tr>
    <tr align="center">
      <td rowspan="2">yi</td>
      <td>yi</td>
      <td>yi</td>
    </tr>
    <tr>
      <!-- <td>yi</td> -->
      <td>yi</td>
      <td>yi</td>
    </tr>
    <tr>
      <td>yi</td>
      <td>yi</td>
      <td>yi</td>
    </tr>
    <tr>
      <td>yi</td>
      <td>yi</td>
      <td>yi</td>
    </tr>
    <tr>
      <td>yi</td>
      <td>yi</td>
      <td>yi</td>
    </tr>
  </table>

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